Top Definition
a term of endearment used to describe a girl with a fanny so big, that intercourse resembles throwing a hotdog down a hallway.
Boyfriend: I love you, my cuntius maximus.

Girlfriend: Yeah, great.
by Raaaas May 12, 2008
Oversized vaginal muscles which can be used as a deterent for a penis if trained well.
"Dude there was no way in. Her cuntius maximus were jst too strong."
by groggycunt August 13, 2009
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